// Copyright 2025 Flower Labs GmbH. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// ==============================================================================

package ai.flower.intelligence

internal interface Engine {
  suspend fun chat(
    messages: List<Message>,
    model: String? = null,
    temperature: Float? = null,
    maxCompletionTokens: Int? = null,
    stream: Boolean = false,
    onStreamEvent: ((StreamEvent) -> Unit)? = null,
    tools: List<Tool>? = null,
  ): Message

  suspend fun fetchModel(model: String, callback: (Progress) -> Unit)
}
